Finding the Fourth Proportional to 2,679,450.48, 3,697,427.16 and 1,533,268.08
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Solution
The fourth proportional to 2,679,450.48, 3,697,427.16 and 1,533,268.08 is: 2,115,787.21
Step by Step Solution
- Step 1: Write the proportion equation
2,679,450.48 : 3,697,427.16 = 1,533,268.08 : x - Step 2: Convert to fraction form
2,679,450.48/3,697,427.16 = 1,533,268.08/x - Step 3: Cross multiply
2,679,450.48x = 3,697,427.16 × 1,533,268.08 - Step 4: Simplify right side
2,679,450.48x = 5,669,147,042,553.05 - Step 5: Solve for x
x = 5,669,147,042,553.05/2,679,450.48 - Step 6: Final answer
x = 2,115,787.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.